<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0; 
        }
        .container{
            width: 100%;
            height: 100vh;
            background-color: white;
            padding: 20px 50px;
            box-sizing: border-box;
        }
        .title{
            display: flex;
            width: 100%;
            height: 50;
            justify-content: space-between;
            align-items: end;
        }
        .title :nth-child(1){
            display: inline;
            font-size: 30px;
        }
        .title :nth-child(2){
            color: #dd5b49;
            font-size: 20px;
            font-weight: bolder;
        }
        .input{
            display: flex;
            flex-direction: column;
            margin-top: 50px;
            padding: 10px 30px ;
        }
        .input input{
            width: 100%;
            height: 50px;
            border: none;
            border-bottom: 1px solid #dd5b49;
            box-sizing: border-box;
        }
        .btn{
            width: 100%;
            height: 60px;
            padding: 10px 30px ;
            box-sizing: border-box;
        }
        button{
            width: 100%;
            height: 100%;
            color: white;
            background-color: #dd5b49;
            border-radius: 30px;
            border: none;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="title">
            <h2>手机号登录</h2>
            <span>账号登录</span>
        </div>
        <div class="input">
            <input type="text" placeholder="请输入手机号">
            <input type="text" placeholder="请输入验证码">
        </div>
        <div class="btn">
            <button>登录</button>
        </div>
        
    </div>
</body>
</html>